Of course they're not blowing up the hamster! That would be unethical, immoral, probably illegal, very hard to clean up, and, most importantly, lasers don't blow things up, they vapourise them.
I don't know where you're getting your information from. "Hamsters" is actually a misleading term because there is only one hamster on Earth and he is immortal. He travels through time and overlaps his own timeline frequently, creating the illusion of multiple hamsters. As he ages, he grows very slowly and the patterns on his fur change, which is why he looks different sometimes. You should probably say a few hail hamsters now because he doesn't like when people make jokes about his demise — and he can bite.
My sister had a few (more than 20 simultaneously) rats.
One rat got stuck with her tail in the cage, and the tail had to be amputated, or the rat would've died. There were a few complications during the operation, and the bill would have skyrocketed to more than 2k€. For a tiny rat.
Needless to say, my sister insisted the operation continue. Rat lived happily for another 18 months
I had both my knees done, I think it was AUD$400 because it was GP not specialist referred. Probably one of the more expensive things you can get done in this country, but I'm thankful it was only that much hearing from the yanks.
Seriously though… I’m all for giving animals excellent care. But is that actually a thing people do? Give their hamster an MRI? That’s a very expensive procedure for humans with good insurance, so I’d assume it to be rather unaffordable when applied to pets like this.
I could see it for say, a beloved dog who’s got years of life left. But hamsters kick the bucket if you breathe in their general direction.
The primary reason an MRI is expensive to run is that it has this magnetic field that must be maintained. This is a cost that is irrespective of whether they are running a scan.
So if you have an MRI for small animals and it's not being used, you might use it for a hamster.